<template>
    <div id="main">
        =====================主题==================
        <Button></Button>
    </div>
</template>

<script>
    export default {
        name: "Head"
    }
</script>

<!--scoped:表示局部样式-->
<style scoped>
    #main{
        height: 100px;
        width: 100%;
        background-color: green;
        margin: 10px 0px;
    }
</style>
